Tooth brush



FIG. 1 is a top plan view of a tooth brush, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a top plan view thereof showing the parts in an exploded relationship;

FIG. 7 is a bottom view thereof; and

FIG. 8 is a front elevational view thereof. 

The ornamental design for a tooth brush, substantially as shown and described. 